Universal Security Instruments MPC322S Manual Download Page 8

once approximately every two minutes .  The red CO LED is off .  The trouble signal cannot be 

silenced .  Reset the alarm .  If this does not clear this trouble signal, deactivate the alarm . Refer 

to the “alarm deactivation section.”  Replace alarm immediately.  

RESET ALARM:

 Press the test/silence button for 10-15 seconds, then release .  This will 

clear the alarm origination .  Be sure to reset alarms after every alarm event .  

QUICK FIND

®

 ALARM ORIGINATION FEATURE:

  To identify the originating alarm in a 

non-interconnected system
1 . Press and release the test/silence button on each alarm .  After releasing the button, the 

test sequence will sound and last for approximately 5-20 seconds .  

2 . Once the test sequence ends, if this is the originating alarm will continue to sound for ap-

proximately 60 seconds . If it is not the originating alarm, continue to test each alarm until 

you locate the originating alarm .

3 . Remember to reset the originating alarm in order to clear the Quick Find

®

 and return the 

system to normal operation

4. NOTE:  It is necessary to test each alarm by pressing and releasing the test/silence button 

to determine the originating alarm .

PRODUCT END-OF-SERVICE LIFE ALARM/LOW BATTERY WARNING: 

When it 

is time to replace this alarm, which is approximately 10 years of operation from initial power up, 

the alarm will provide audible and visual warnings . The product end-of-service life warning can-

not be silenced . The horn chirps 2 times approximately every 60 seconds .  The red smoke LED 

blinks on approximately every 2 minutes .  The red CO LED is off .  Deactivate the alarm . Refer 

to the “alarm deactivation section.” Replace alarm immediately.  

USING THE SILENCE FEATURE

  

NEVER ignore any alarm.

 If the alarm sounds and it is not being 

tested, it is warning of a potentially dangerous situation which requires immediate attention . 

NEVER disconnect the power to your alarm to silence the horn—use the Silence feature. 

Disconnecting the alarm removes your protection!  

IMPORTANT! The Silence feature is intended to temporarily silence the alarm warning.

  

It will not correct a smoke or CO problem . 

In the event of a smoke alarm, do not use the Silence feature until the source of the 

alarm has been identified and safe conditions exist. 

The Silence feature is intended to temporarily silence the horn while identifying and correcting 

the problem . To use the Silence feature, press and release the test/silence button until the 

horn is silent if it was the initiating alarm . If the test/silence button is pressed while the alarm 

is in the silence mode, the alarm will start sounding again .

The CO alarm Silence feature 

can be activated by a press and release of the test/silence 

button on the initiating alarm while in alarm condition . The alarm will remain silent for approxi-

mately 5 minutes, depending on the level of CO detected .   The red CO LED will blink on ap-

proximately every 10 seconds .  If CO levels drop below the alarm levels, the alarm will remain 

silent and return to normal operation . If CO levels remain constant or increase, the alarm will 

sound again .  This indicates a potentially dangerous situation . Ventilate the area . 

The smoke alarm Silence feature

 can be activated by a press and release of the test/

silence button on the initiating alarm while in alarm condition . The alarm will remain silent for 

approximately 8-12 minutes, depending on the level of smoke detected . The red smoke LED 

will blink on approximately every 10 seconds . If smoke levels have not cleared during the 

silence period, the alarm will sound again . This indicates a potentially dangerous situation . 

Ventilate the area . If the alarm remains silent, the smoke levels have dropped and the alarm 

will return to normal operation . If smoke levels remain constant or increase, the alarm will 

sound again . 

 

TESTING INSTRUCTIONS

  NEVER use an open flame of any kind to test this alarm.

 You may 

accidentally damage or set fire to the alarm or to your home. 

NEVER use vehicle exhaust to test the alarm! 

Exhaust may cause permanent damage 

and voids the warranty .

NEVER use a gas range or an open flame of any kind to test this alarm.

 You might ac-

cidentally damage or set fire to the alarm or to your home.

CAUTION:

 Continuous exposure to the high sound level of this alarm over an extended 

period of time may cause hearing loss . Due to the loudness, we suggest that you place your 
fingers over the sounder opening, or step back from the alarm while testing.    

Page 8

Summary of Contents for MPC322S

Page 1: ...tential Sources of CO 11 What To Do If Alarm Sounds Smoke Detected 12 How Can I Protect My Family from Fire 12 Develop An Escape Plan 12 Quick Reference Guide 13 Troubleshooting Information 13 Warrant...

Page 2: ...Therefore installing an alarm with a sealed battery or an alarm powered from two different power sources can give an extra measure of protection A hardwired alarm with backup battery power will provi...

Page 3: ...ssisted ALARMS ARE NOT FOOLPROOF Test alarms weekly to ensure continued protection ALARMS HAVE A LIMITED PRODUCT SERVICE LIFE This alarm should be replaced immediately if it is not operating properly...

Page 4: ...on a wall if local codes allow use an inside wall with the top edge of the smoke alarm a minimum of 4 10cm and a maximum of 12 30 5cm below the ceiling wall intersections See Diagram A Page 4 Ceiling...

Page 5: ...s not suitable for installation in hazardous locations as defined in the National Electri cal Code To avoid causing damage to this alarm to provide maximum protection and to prevent unnecessary alarms...

Page 6: ...above situations These placement recommendations are intended to keep alarms at a reasonable distance from a fuel burning source and reduce unwanted nuisance alarms Nuisance alarms may occur if an al...

Page 7: ...ntial board and care occupancy small facility including base ments and excluding crawl spaces and unfinished attics 5 In the living area s of a guest suite 6 In the living area s of a residential boar...

Page 8: ...rm do not use the Silence feature until the source of the alarm has been identified and safe conditions exist The Silence feature is intended to temporarily silence the horn while identifying and corr...

Page 9: ...alarm ALARM AND BATTERY DEACTIVATION This alarm uses a sealed battery for power The battery should last for approximately 10 years under normal operating conditions Deactivation of the alarm is perman...

Page 10: ...m to stop a nuisance alarm Doing so will disable the alarm and remove the protection In the case of a true unwanted alarm use the silence feature The silence feature is intended to temporarily silence...

Page 11: ...pe connections improperly designed or becoming loose Improper use of appliances by operating a barbeque grill using charcoal gas or wood pel lets hibachi in an enclosed area such as a garage or screen...

Page 12: ...our home when they hear the sound Identify children s bedrooms with red stickers placed in the upper left corner of the windows They are available from your local fire department Practice a fire drill...

Page 13: ...tions if an alarm sounds by calling Emergency Service and getting out of the home Nuisance alarm Horn sounds when no hazard present Blinks On in sync with the 3 beeps Blinks On in sync with the 4 bee...

Page 14: ...Page 14...

Page 15: ...roduct created by state law shall extend beyond the term of this warranty unless such law otherwise provides USI specifically disclaims any liability and shall not be liable for any consequential or i...

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